simplify 1/3 (9a+b) - 1/2 (4a+2b)
1/3(9a+b)−12(4a+2b)Distribute:=(1/3)(9a)+(1/3)(b)+−2a+−b=3a+1/3b+−2a+−bCombine Like Terms:=3a+1/3b+−2a+−b=(3a+−2a)+(1/3b+−b)=a+−2/3b